Fig. 1

ROC curves of serum sPLA2 and Lp-PLA2 in patients with different degrees of carotid artery stenosis. The left, middle, and right panels represent mild, moderate, and severe stenosis, respectively. ROC: Receiver Operating Curve; sPLA2: Secretory phospholipases A2; Lp-PLA2: Lipoprotein-associated phospholipases A2; AUC: Area under the Receiver Operating Curve; CI: Confidence interval